<template>
  <div class="container">
    <div class="app-container">
      组织架构
      <el-tree
        :default-expand-all="false"
        :data="depts"
        :props="defaultProps"
        :expand-on-click-node="false"
      >
        <!-- 节点结构 -->
        <!-- v-slot="{ node, data }" 只能作用在template -->
        <template v-slot="{ data }">
          <el-row style="width:100%;height:40px" type="flex" justify="space-between" align="middle">
            <el-col>{{ data.name }}</el-col>
            <el-col :span="4">
              <span class="tree-manager">{{ data.managerName }}</span>
              <!-- $event 实参 表示类型 -->
              <el-dropdown @command="hCommand($event ,data.id)">
                <!-- 显示区域内容 -->
                <span class="el-dropdown-link">
                  操作<i class="el-icon-arrow-down el-icon--right" />
                </span>
                <!-- 下拉菜单选项 -->
                <el-dropdown-menu slot="dropdown">
                  <el-dropdown-item command="add">添加子部门</el-dropdown-item>
                  <el-dropdown-item command="edit">编辑部门</el-dropdown-item>
                  <el-dropdown-item command="del" @click="del(data.id)">删除</el-dropdown-item>
                </el-dropdown-menu>
              </el-dropdown>
            </el-col>
          </el-row>
        </template>
      </el-tree>
    </div>
    <add-data ref="redact" :is-edit="isEdit" :show-dialog.sync="showDialog" :parent-id="parentId" @updateManager="getDepartments" />
  </div>
</template>
<script>
import { delDepartment, getDepartment } from '@/api/department'
import { arrTree } from '@/utils'
import AddData from './components/AddData.vue'
export default {
  components: { AddData },
  data() {
    return {
      depts: [],
      defaultProps: {
        children: 'children',
        label: 'name'
      },
      showDialog: false,
      // 获取id
      parentId: null,
      // 添加编辑开关
      isEdit: false
    }
  },
  created() {
    this.getDepartments()
  },
  methods: {
    // 获取-部门列表
    async getDepartments() {
      const res = await getDepartment()
      // console.log(res.data)
      this.depts = arrTree(res.data, 1)
    },
    // 添加
    hCommand(data, id) {
      // console.log(id)
      // 获取部门列表id
      this.parentId = id
      // 添加
      if (data === 'add') {
        this.showDialog = true
        // 添加的标题
        this.isEdit = false
      } else if (data === 'edit') {
        // 编辑
        // 显示弹窗
        this.showDialog = true
        // title 开关
        this.isEdit = true
        // 父组件向子组件传值时一般是异步的
        // 直接这样发请求的话在父组件中是同步的，所以不能实时获取 id
        // 要使用 $nextTick 方法
        this.$nextTick(() => {
          this.$refs.redact.setEdit()
        })
      } else {
        this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
        }).then(() => {
          this.doDel(id)
        }).catch(() => {})
      }
      // console.log(data)
    },
    // 删除
    async doDel(id) {
      // 发请求删除
      await delDepartment(id)
      // 重新渲染数据
      this.getDepartments()
      // 提示用户
      this.$message.success('删除成功')
    }
  }
}
</script>
<style scoped>
.app-container {
  padding: 30px 140px;
  font-size: 14px;
}
.tree-manager {
  width: 50px;
  display: inline-block;
  margin: 10px;
}
</style>
